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Astronomy

Sep. 20, 2017 Rise Solar Noon Set
Actual Time 5:57 AM AST 12:01 PM AST 6:06 PM AST
Civil Twilight 5:35 AM AST   6:27 PM AST
Nautical Twilight 5:10 AM AST   6:52 PM AST
Astronomical Twilight 4:45 AM AST   7:18 PM AST
Altitude -0.8° 74.1° -0.8°
Azimuth 88.8° 180.0° 271.0°
Hour Angle of the Sun 91.2° 91.1° -91.1°
Mean Anomaly of the Sun 256.25° 256.50° 256.75°
Obliquity 23.43° 23.43° 23.43°
Right Ascension of the Sun 177.83° 178.06° 178.28°
Sun Declination 0.94° 0.84° 0.74°
Moon 6:12 AM AST   6:39 PM AST
Length of Visible Light 12h 52m
Length of Day
12h 08m
New Moon, 0% of the Moon is Illuminated
Sep 20
New Moon
Sep 27
First Quarter
Oct 5
Full
Oct 12
Last Quarter
Oct 19
New